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Technical Data Sheet
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EX-1621 POS 7 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

EX-1621 POS 7: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5325-01-690-2308, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
EX-1621 POS 7
NSN: 5325-01-690-2308
FSC: 5325 — Fastening Devices
CAGE: 0M7H9 — R R TRANSMISSIONS INC (USA)
SPECIFICATIONS
Part NumberEX-1621 POS 7
NSN5325-01-690-2308
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: EX-1621 POS 7 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
EX-1621Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EX-1621 POS 7?
EX-1621 POS 7 is a RING,RETAINING.
What parts can replace EX-1621 POS 7?
There is 1 known substitute for EX-1621 POS 7: EX-1621. Substitute compatibility should be verified for your specific system.
What is the NSN for EX-1621 POS 7?
EX-1621 POS 7 is cataloged in the U.S. Government catalog under NSN 5325-01-690-2308. This indicates validated use in U.S. government and defense supply chains.
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